What to know
- The National Center for Health Statistics Data Query System (DQS) can help you quickly find data you need about many different health topics.
- Filter data based on characteristics like age, sex, race, and data source.
- Download health data from DQS in easy-to-understand and use formats, like charts, tables, and maps.
About DQS
Need health data? The National Center for Health Statistics (NCHS) Data Query System (DQS) has thousands of estimates on more than 150 health topics. DQS helps you access estimates from many different sources without needing to visit multiple websites. Instead, DQS brings together NCHS's diverse health information in one easy-to-use tool.
DQS makes data discovery faster and easier because now your search for health information can happen in one place.
In just a few clicks, you can find data on cancer, health insurance, nutrition, and lots of other topics. Explore the full list of topics available in DQS on the Health Topics page.
NCHS will add new estimates and health topics to DQS regularly.
Explore DQS
Key features
- Get estimates on a variety of health topics
- Filter estimates by characteristics, source, and time period
- View estimates in chart, table, and map formats
- Access the data behind the estimates through links to data.cdc.gov
For example, you can use DQS to—
- Find data by sex for hundreds of topics that affect women's health
- Identify health disparities by geographic location
- Look at health trends for American Indians and Alaska Natives
Easier to use
DQS makes it easier to get NCHS data about a wide range of health topics. View and download estimates in tables, charts, and maps in DQS or as machine-readable data files through data.cdc.gov.
With DQS, it's easier to use NCHS data for lots of health-focused activities, including—
- Comparing other data with national statistics (benchmarking)
- Evaluating health trends
- Examining health disparities
- Making evidence-based decisions and policies
- Planning health programs
- Researching health topics